87－91 91－96

crrllong

87 AKI (Anti-KnockIndex) ＝91(Research octane number).
4 o& H. \3 x& {- f
' N# J- A! k9 X" O# [91 AKI number＝96 (Research octane number ).
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这两天天气好给车换换机油，查了查车的手册。看到了汽油的标号的解，这里用的是汽油的防爆值，国内用的是辛烷值。

铅是很好的防爆剂，不加铅了。加的是什么呢？

kingsnake

這也不對。
國内的 AKI= (RON+MON)/2。
這裏另有一種計算方式。

crrllong

MON 是什么？
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1 P% o0 [" j+ l# E- H9 ^! }* iFUEL RECOMMENDATION
Use unleaded regular gasoline with an octane
rating of at least 87 AKI (Anti-Knock
Index) number (Research octane number
( a9 x+ `; [  N% R1 S3 d91).
For improved vehicle performance,
NISSAN recommends the use of unleaded
premium gasoline with an octane rating of
at least 91 AKI number (Research octane
) i6 e4 \; i0 a0 V! ^4 T* Vnumber 96).

kingsnake

1 ]4 [3 c  H' m" Y6 X! HMON Motor Octane Number.
8 G8 n  A. j2 P! `  c+ SMeasure under more severe condition than RON. e.g. higher revolution, controled temperature etc. Number usually 8-9 units lower than RON.